The new Audi S4 and Mercedes-AMG C 43 go head-to-head in a battle of the 4WD V6-engined fast saloons

In the past, if you wanted a fast saloon car that slipped under the radar, the original Audi S4 would have been top of your list.

Over time, the brand's S models have been endowed with more bling and aggressive road presence, but now this latest S4 has gone back to its more understated beginnings.

Head-to-head

Model: Audi S4 Mercedes-AMG C 43
Price: £44,600 £45,785
Engine:* 3.0-litre turbo V6 3.0-litre twin-turbo V6
Power/torque:* 349bhp/500Nm 362bhp/520Nm
Transmission:* Eight-speed automatic, four-wheel drive* Nine-speed automatic, four-wheel drive*
0-60mph: 4.7 seconds 4.5 seconds
Top speed: 155mph 155mph
Test economy:* 26.2mpg 22.6mpg
CO2/tax:* 166g/km/£210 183g/km/£230
Options: Sport differential (£1,200), Matrix LED lights (£650), Adaptive dampers (£900), Bang & Olufsen stereo (£750), wireless charging (£325), privacy glass (£450), Driver Assistance Pack - Tour (£1,250), Advanced key (£525), Parking Assistance Pack Advanced (£1,350), 19-inch alloy wheels (£550) AMG Performance exhaust (£1,000), LED Intelligent Light System (£545), Privacy glass (£265), Premium Plus pack (£2,995), Driving Assistance pack (£1,695), Head-up display (£825), Designo metallic paint (£895), 19-inch alloy wheels (£595)*

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